Breaking News: Grepper is joining You.com. Read the official announcement!

javascript check if value exists in array of objects

Add Answer

Vivacious Vendace answered on November 3, 2020 Popularity 10/10 Helpfulness 8/10

answer javascript check if value exists in array of objects

related check if object value already exists in array javascript

related how to check if an element exists in an array of objects js

related check if object exists in array javascript

related how to check if object exists in array javascript

javascript check if value exists in array of objects

Comment

var arr = [{ id: 1, name: 'JOHN' }, 
  { id: 2, name: 'JENNIE'}, 
  { id: 3, name: 'JENNAH' }];

function userExists(name) {
  return arr.some(function(el) {
    return el.name === name;
  }); 
}

console.log(userExists('JOHN')); // true
console.log(userExists('JUMBO')); // false

Popularity 10/10 Helpfulness 8/10 Language javascript

Source: Grepper

Tags: exists javascript

Link to this answer
Share Copy Link

Contributed on Jan 09 2021

Vivacious Vendace

0 Answers Avg Quality 2/10

Closely Related Answers

check if object value already exists in array javascript

Comment

// An array of objects
var persons = [{name: "Harry"}, {name: "Alice"}, {name: "Peter"}];

// Find if the array contains an object by comparing the property value
if(persons.some(person => person.name === "Peter")){
    alert("Object found inside the array.");
} else{
    alert("Object not found.");
}

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: www.tutorialrepublic.com

Tags: exists ex

Link to this answer
Share Copy Link

Contributed on Dec 01 2022

Aiman Tariq

0 Answers Avg Quality 2/10

how to check if an element exists in an array of objects js

Comment

-1

var arr = [{ id: 1, username: 'fred' }, 
  { id: 2, username: 'bill'}, 
  { id: 3, username: 'ted' }];

function userExists(username) {
  return arr.some(function(el) {
    return el.username === username;
  }); 
}

console.log(userExists('fred')); // true
console.log(userExists('bred')); // false

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: element

Link to this answer
Share Copy Link

Contributed on Nov 03 2020

Crowded Crayfish

0 Answers Avg Quality 2/10

check if object exists in array javascript

Comment

Simply do:

carBrands.indexOf(car1);

It will return you the index (position in the array) of car1. It will return -1 if car1 was not found in the array.

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: exists ex

Link to this answer
Share Copy Link

Contributed on Jan 30 2023

Saksham Gupta

0 Answers Avg Quality 2/10

how to check if object exists in array javascript

Comment

function containsObject(obj, list) {
    var i;
    for (i = 0; i < list.length; i++) {
        if (list[i] === obj) {
            return true;
        }
    }

    return false;
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: exists ex

Link to this answer
Share Copy Link

Contributed on Jul 04 2022

mukashwasti_

0 Answers Avg Quality 2/10

javascript check if value exists in array of objects

Contents

More Related Answers

javascript check if value exists in array of objects

Closely Related Answers

check if object value already exists in array javascript

how to check if an element exists in an array of objects js

check if object exists in array javascript

how to check if object exists in array javascript

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.